HDFS Block vs Input Split in hadoop

In this post, we will discuss about another 50 Mapreduce Interview Questions and Answers for experienced mapreduce developers. Mapreduce Interview Questions and Answers for experienced 1. What are the methods in the Mapper class and order of their invocation? [crayon-5edc854ae3349105937532/] The Mapper contains the run() method, which call its own […]